On Sat, 29 May 2004, Jens Axboe wrote:
> Sure. Ok, so now it appears to work with bk-current (I re-applied the
> patch) and usb debugging enabled. Here's the output from dmesg after the
> boot, scanning/printing works.
Your log looks normal, at a quick glance. Don't you just love these
problems that go away when you turn on the debugging option?
Well, if the problem comes back when you turn debugging back off, you
might try the diagnostic patch below. (Although it will probably also
cause the problem to go away!)
Alan Stern
--- usb-2.6/drivers/usb/host/uhci-hcd.c Fri May 28 17:09:18 2004
+++ usb-2.6/drivers/usb/host/uhci-hcd.c Sat May 29 14:38:09 2004
@@ -1408,6 +1408,7 @@
out:
spin_unlock_irqrestore(&uhci->schedule_lock, flags);
+ dev_info(uhci_dev(uhci), "Enqueue urb %p: %d\n", urb, ret);
return ret;
}
@@ -1553,6 +1554,7 @@
done:
spin_unlock_irqrestore(&uhci->schedule_lock, flags);
+ dev_info(uhci_dev(uhci), "Dequeue urb %p\n", urb);
return 0;
}
@@ -1723,6 +1725,7 @@
uhci_destroy_urb_priv(uhci, urb);
spin_unlock(&uhci->schedule_lock);
+ dev_info(uhci_dev(uhci), "Giveback urb %p: %d\n", urb, urb->status);
usb_hcd_giveback_urb(hcd, urb, regs);
spin_lock(&uhci->schedule_lock);
}
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